Determine the angle at the centre of a circle with radius 15.0 cm for an arc length of 27.0 cm.

What are the soultion(s) to the quadratic equation 40- x^2=0

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?